With the push of a button, the unit displays a green or red light, indicating good water quality or service required, respectively.

Tests for TDS or conductivity levels.

Eight programmable set points (by dip switch).

Bright LED lights.

Simple to use.

Factory Calibrated to 100 ppm NaCl. Re-calibration is un-necessary.

Comes equipped with John Guest Quick-Connect T-fitting (1/4 inch standard).

Installs quickly and easily.